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IRVING R TESSLER MD
NPI 1821070681
Pediatrics - Pediatric Cardiology in Pasadena, CA

Active since November 17, 2005
50 BELLEFONTAINE ST, STE 405, PASADENA, CA 91105(626) 796-9259(626) 449-8560 Get Directions Write a Review

NPPES record last updated: February 21, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Irving R Tessler Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IRVING R TESSLER MD (NPI 1821070681) is an individual pediatric cardiology provider in Pasadena, California, licensed in California (G14307) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1821070681
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameIRVING R TESSLERCredential: MD
Location Address50 BELLEFONTAINE ST, STE 405Pasadena, CA 91105-3132
Mailing Address50 Bellefontaine St, Ste 405Pasadena, CA 91105-3132 · (626) 796-9259 · Fax (626) 449-8560
Phone(626) 796-9259
Fax(626) 449-8560
Sole ProprietorNo
Enumeration DateNovember 17, 2005
Last NPPES UpdateFebruary 21, 2013
✔ NPI 1821070681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in CA · G14307
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
50 BELLEFONTAINE ST, Pasadena, CA 91105
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Other Identifiers 3

Medicare ID-Type UnspecifiedWG14307ECA
Medicaid00G143070CA
Medicare UPINA39226

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FAIRMONT PHARMACY LLC
Pharmacy (Community/Retail Pharmacy)
50 BELLEFONTAINE ST, STE 103
PASADENA, CA 91105
Los Angeles County (626) 793-1188
LORI J. WYNSTOCK, M.D.
Internal Medicine
50 BELLEFONTAINE ST, #203
PASADENA, CA 91105
Los Angeles County (626) 793-6113
RALPH B. MARTIN, M.D., INC.
Internal Medicine
50 BELLEFONTAINE ST, SUITE 205
PASADENA, CA 91105
Los Angeles County (626) 792-4115
CHANG ZAIFMAN DENTAL INC
Dentist
50 BELLEFONTAINE ST, SUITE 102
PASADENA, CA 91105
Los Angeles County (626) 795-8326
MODERN CONCEPTS MEDICAL GROUP
Family Medicine
50 BELLEFONTAINE ST, 404
PASADENA, CA 91105
Los Angeles County (323) 728-6070
ROBERT D LOITZ MD
Pediatrics (Pediatric Cardiology)
50 BELLEFONTAINE ST, SUITE 405
PASADENA, CA 91105
Los Angeles County (626) 796-9259
DR. GERILYNN GUNSALUS OKAMOTO DDS
Dentist
50 BELLEFONTAINE ST, STE 204
PASADENA, CA 91105
Los Angeles County (626) 440-9095
ELIZABETH R DEOLIVEIRA MD
Pediatrics (Pediatric Cardiology)
50 BELLEFONTAINE ST, STE 405
PASADENA, CA 91105
Los Angeles County (626) 796-9259

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Irving Tessler's NPI number?

The NPI number for Irving Tessler is 1821070681. It was assigned to this individual provider in the NPPES registry on November 17, 2005.

Where is Irving Tessler located?

Irving Tessler practices at 50 Bellefontaine St Ste 405, Pasadena, CA 91105. The listed phone number is (626) 796-9259.

What is Irving Tessler's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

When was this NPI record last updated?

The NPPES record for Irving Tessler was last updated on February 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.